英文關鍵字
blue
bridge
car
charge
city
damage
electricity
energy
environment
fast
fisherman
fishing
hydro
man
nature
one
plant
pollution
river
road
sky
stream
water
wave
white
wires
英文關鍵字
blue
bridge
car
charge
city
damage
electricity
energy
environment
fast
fisherman
fishing
hydro
man
nature
one
plant
pollution
river
road
sky
stream
water
wave
white
wires